﻿//Copyright (c) 2010 Christopher E. S. King (http://chriskingconsulting.com)
//
//Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files 
// (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, 
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do 
// so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Collections;
using System.Collections.Concurrent;
using System.Threading;
using System.Runtime.Remoting;
using System.Threading.Tasks;
using System.Diagnostics.Contracts;
using System.Reflection;
using System.Diagnostics;

namespace King.Text.CSharp {

    public sealed class CSharpBlock : TextNodes {

        private bool m_openBraceOnNewLine;
        private bool m_inlineIfNoNewLine;
        private bool m_emptyIfNoContent;

        public CSharpBlock(
            bool openBraceOnNewLine = true,
            bool emptyIfNoContent = false,
            bool inlineIfNoNewLine = false) {

            m_openBraceOnNewLine = openBraceOnNewLine;
            m_inlineIfNoNewLine = inlineIfNoNewLine;
            m_emptyIfNoContent = emptyIfNoContent;
        }

        protected internal override IEnumerable<object> Content(TextNodeContext context) {
            return Children();
        }
        protected internal override IEnumerable<object> Children(TextNodeContext context) {
            var containsContent = context.ContainsContent(Children());
            if (!containsContent && m_emptyIfNoContent)
                yield break;

            var content = new TextSingleSpaced() { Children() };
            var containsNewLine = context.ContainsNewLine(content);
            var inline = m_inlineIfNoNewLine && !containsNewLine;

            if (inline) {
                yield return "{" + " ";

                if (containsContent) {
                    yield return Children();
                    yield return " ";
                }

                yield return "}";

            } else {
                if (m_openBraceOnNewLine)
                    yield return Environment.NewLine;

                yield return "{" + Environment.NewLine;
                
                if (containsContent) {
                    yield return new TextIndent() { 
                        content 
                    };
                    yield return Environment.NewLine;
                }
                
                yield return "}";            
            }
        }
    }
}
